diff --git a/emulators/dosbox-staging.yml b/emulators/dosbox-staging.yml
index 7f64963c4..a81bcb5c5 100644
--- a/emulators/dosbox-staging.yml
+++ b/emulators/dosbox-staging.yml
@@ -4,6 +4,7 @@ core_classification: enhanced_fork
 source: "https://github.com/dosbox-staging/dosbox-staging"
 upstream: "https://github.com/dosbox-staging/dosbox-staging"
 source_commit: "fa1856c057902be3e08856675d6cc1e7ffe43db6"
+prose_written_at: "fa1856c057902be3e08856675d6cc1e7ffe43db6"
 profiled_date: "2026-10-26"
 core_version: "0.84.0-alpha"
 version_basis:
diff --git a/emulators/lightspark.yml b/emulators/lightspark.yml
index 18a5852f1..b3ab36f36 100644
--- a/emulators/lightspark.yml
+++ b/emulators/lightspark.yml
@@ -5,6 +5,7 @@ source: "https://github.com/lightspark/lightspark"
 upstream: "https://github.com/lightspark/lightspark"
 profiled_date: "2026-08-08"
 source_commit: "6f07fd65cb95b88ff73e905bf78a1a8b1ddf6049"
+prose_written_at: "6f07fd65cb95b88ff73e905bf78a1a8b1ddf6049"
 core_version: "0.10.0"
 version_basis:
   kind: file